| |||
diamond point bit | |||
mud bit | |||
spade | |||
center bit; diamond bit; diamond-point bit; spud bit | |||
pointed bit; pick chisel |
пикообразное долото : 15 phrases in 5 subjects |
Oil / petroleum | 8 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Oilfields | 3 |
Sakhalin | 1 |